File: alloca-align.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (28 lines) | stat: -rw-r--r-- 632 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s

struct s0 {
  int Start, End;
  unsigned Alignment;
  int TheStores __attribute__((aligned(16)));
};

// CHECK-LABEL: define void @f0
// CHECK: alloca %struct.s0, align 16
extern "C" void f0() {
  (void) s0();
}

// CHECK-LABEL: define void @f1
// CHECK: alloca %struct.s0, align 16
extern "C" void f1() {
  (void) (struct s0) { 0, 0, 0, 0 };
}

// CHECK-LABEL: define i32 @f2
// CHECK: alloca %struct.s1, align 2
struct s1 { short x; short y; };
extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
  if (a)
    return *x;
  return *y;
}